MDCAT Chemistry MCQ #3982

When comparing propanal and propanone, what is the distinguishing feature regarding the position of the carbonyl functional group?

MDCAT Chemistry MCQ #3982

  1. Question 1

    Q1. When comparing propanal and propanone, what is the distinguishing feature regarding the position of the carbonyl functional group?

    • A) Aldehydes have the carbonyl group at the terminal position
    • B) Ketones have the carbonyl group at the terminal position
    • C) Aldehydes contain an oxygen atom between two carbons
    • D) Ketones are only found in cyclic structures

    Answer: Aldehydes have the carbonyl group at the terminal position

    Explanation: Aldehydes have the carbonyl group at the end of the chain, whereas ketones have the carbonyl group between two carbon atoms.